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单词
频率标准
释义
频率标准
Encyclopedia
工学
频率标准
释
frequency standard
频率标准
能独立工作的,且能给出较高准确度的单一频率值的正弦信号的装置。简称频标。
理学
〔原子物理应用〕
释
frequency standards
频率标准
用信号频率相当准确和单一的正弦振荡信号发生器确定频率的计量。
Physics
光学、声学
光学
frequency standard
频标
全称“频率标准”。
>原子与分子物理学>冷原子分子物理>释义
frequency standard
频[率]标[准]
Astronomy
frequency standard
频率标准
随便看
de Giorgi-Nash-Moser iteration
deglacial period
deglutathiolation
deglutation
deglutation reflex
deglutition training
deglycosylation
degradable and clean polymer film drilling fluid
degradable ball sliding sleeve
degradable bioceramics
degradable materials
degradable polymer
degradation
degradation-consolidation theory of municipal solid waste
degradation model
degradation of biomass
degradation of biomaterials
degradation of cellulose
degradation of chloride
degradation of ecosystem services in invaded ecosystems
degradation of energy
degradation of magnet
degradation of polymer
degradation of polymer by irradiation
degradation of pyrimidine nucleotides
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